Plan the trip, split the bill, together.

Butter Agent is the calm way to plan a trip with the people you're actually going with. Butter builds the days with AI, the Wallet keeps every cost straight, and settling up takes one tap.

Free on iPhone and iPad. Optional short ads add AI credits.

Trip overview in Butter Agent: today's plan, weather, trip spending

Everything the group needs, in one trip

Plan together, keep the money clear, and stay on the same page from the first idea to the flight home.

Butter building a day-by-day plan with AI

Plan with AI

Tell Butter where, when and how you like to travel, and get a complete plan you can edit. Refine it in your own words; picks land on real places, with their web sources.

Real placesWeb sourcesEditable
Day-by-day itinerary with flights, stays and activities

One plan, not a spreadsheet

Flights, stays and activities laid out day by day. Everyone on the trip sees the same plan, updated live, and the whole trip fits on one map.

Wallet showing shared expenses and spending by category

A wallet the whole group can read

Log who paid, even with several payers on one expense. Split equally, by shares or by exact amounts, in any currency. See spending by day and category, plus a trip kitty for shared cash.

Settle up screen showing who pays whom

Settle up in one tap

Butter nets every cost down to the fewest payments. Ask for money back with PromptPay and a gentle reminder, then record payments as they happen and stay square.

Ask Butter quick actions: Trip info, Plan, Add expense, Translate

Ask Butter, anywhere in the trip

Trip info, Plan, Add expense and Translate, from the Butter button on every trip tab. Scan a receipt, dictate an expense or translate on the go.


Ready when you land

Local weather, a world clock and a live currency converter. Works offline and syncs when you're back online.


Together, with the right access

Invite friends with one link or QR code. Choose who can edit, who can only view and who sees the money.

From the group chat to the airport

  1. Start a trip and invite your group

    Share one link or QR code. Everyone sees the same trip.

  2. Let Butter plan the days

    AI builds a day-by-day plan you can edit in your own words.

  3. Log costs, then settle up

    Add expenses as you go. Butter works out who pays whom.

See the whole trip

Plan it, split it, settle it.

Free on iPhone and iPad.